9-Oxo-9H-fluorene-4-carboxylic acid
Also known as: 9-Fluorenone-4-carboxylic acid, 9-Oxofluorene-4-carboxylic acid, 9-Oxo-4-fluorenecarboxylic acid, 4-Carboxy-9-fluorenone
9-Oxo-9H-fluorene-4-carboxylic acid (CAS 6223-83-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O3 and a molecular weight of 224.212 g/mol. Key properties include a melting point of 225-227 °C(lit.), a boiling point of 476.5±24.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 256.1±19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6223-83-2
- Jingsj CID
- J-892133-3
- Molecular Formula
- C14H8O3
- Molecular Weight
- 224.212 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 225-227 °C(lit.) |
|---|---|
| Boiling Point | 476.5±24.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 256.1±19.4 °C |
| Exact Mass | 224.047348 |
| PSA | 54.37000 |
| LogP | 3.26 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.701 |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 9-Oxo-9H-fluorene-4-carboxylic acid?
The CAS number of 9-Oxo-9H-fluorene-4-carboxylic acid is 6223-83-2.
What are the molecular formula and molecular weight of 9-Oxo-9H-fluorene-4-carboxylic acid?
9-Oxo-9H-fluorene-4-carboxylic acid has molecular formula C14H8O3 and molecular weight 224.212 g/mol.
What are the upstream and downstream products of 9-Oxo-9H-fluorene-4-carboxylic acid?
For 9-Oxo-9H-fluorene-4-carboxylic acid, Upstream Products: Diphenic anhydride, Dimethyl diphenate, 9H-Fluorene-4-carboxylic acid; Downstream Products: 4-Amino-9-fluorenone, Methyl 9-oxo-9H-fluorene-4-carboxylate, 9H FLUORENE.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9-Oxo-9H-fluorene-4-carboxylic acid (CAS 6223-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-892133-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.